# Rock Island Armory 45 ACP Firearms - Guns For Sale

Shop Rock Island Armory .45 ACP firearms built around the classic 1911 platform, including Armscor Rock Tactical, M1911 A1 Tactical, Tac Ultra FS, GI Classic, and Standard FS models. This tag includes full-size and compact .45 ACP pistols with steel frames, 5 inch barrels, 8+1 capacity options, matte nickel, black, and FDE finishes.

Compare tactical Gen 1 and Gen 2 Rock Island .45 ACP pistols with options such as G10 grips, black sunburst grips, precision sights, compact CS frames, and Ultra series upgrades. Whether you prefer a traditional M1911-A1 profile or a modern tactical setup, this collection keeps Rock Island Armory .45 ACP handguns grouped for focused catalog browsing.

## Featured Firearms (54 total)

| Product | Caliber | Price |
|---------|---------|-------|
| [ARMSCOR GI 1911-A1 .45 ACP Pistol, 5" Barrel, 10+1 Capacity](https://gunsnation.com/p/armscor-gi-1911-a1-45-acp-pistol-5-barrel-10-1-capacity/UCEBnixX1) | .45 ACP | - |
| [Rock Island TAC Ultra CS: Compact .45 ACP Precision Pistol](https://gunsnation.com/p/rock-island-tac-ultra-cs-compact-45-acp-precision-pistol/UD1MbypJlN) | .45 ACP | - |
| [Rock Island M1911 GI Standard MS .45 ACP Handgun](https://gunsnation.com/p/rock-island-m1911-gi-standard-ms-45-acp-handgun/UD1MbypJr0) | .45 ACP | - |
| [Rock Island 1911 GI .45 ACP Pistol - Black Parkerized Finish](https://gunsnation.com/p/rock-island-1911-gi-45-acp-pistol-black-parkerized-finish/UD1MbypJrO) | .45 ACP | - |
| [ARMSCOR GI .45 ACP Pistol - 5" Barrel, Black Parkerized Finish](https://gunsnation.com/p/armscor-gi-45-acp-pistol-5-barrel-black-parkerized-finish/UCEBnixRc) | .45 ACP | - |
| [ARMSCOR Classic M1911-A1 GI .45 ACP, Polished Nickel, Wood Grips](https://gunsnation.com/p/armscor-classic-m1911-a1-gi-45-acp-polished-nickel-wood-grips/UCEBnixLE) | .45 ACP | - |
| [ARMSCOR Rock Compact .45 ACP Pistol - 3.5" Barrel, G10 Grips](https://gunsnation.com/p/armscor-rock-compact-45-acp-pistol-3-5-barrel-g10-grips/UCEBnixSc) | .45 ACP | - |
| [ARMSCOR M 1911A1 MS .45 ACP - 4.2" Barrel, Black Finish](https://gunsnation.com/p/armscor-m-1911a1-ms-45-acp-4-2-barrel-black-finish/UCEBnixIe) | .45 ACP | - |
| [Rock Island Tac Ultra .45 ACP 1911 Pistol - 5" Barrel, 13+1 Rnd](https://gunsnation.com/p/rock-island-tac-ultra-45-acp-1911-pistol-5-barrel-13-1-rnd/UD1MbypK18) | .45 ACP | - |
| [Armscor GI Standard 1911 .45 ACP Pistol - Black Parkerized](https://gunsnation.com/p/armscor-gi-standard-1911-45-acp-pistol-black-parkerized/UD1MbypJqO) | .45 ACP | - |
| [Rock Island M1911-A1 Nickel .45 ACP Pistol with Pearl Grips](https://gunsnation.com/p/rock-island-m1911-a1-nickel-45-acp-pistol-with-pearl-grips/UD1MbypWdY) | .45 ACP | - |
| [Rock Island Armory BBR .45 ACP Compact Pistol - Concealed Power](https://gunsnation.com/p/rock-island-armory-bbr-45-acp-compact-pistol-concealed-power/UD1MbypK2j) | .45 ACP | - |
| [Rock Island Tac Ultra FS .45 ACP Pistol - 8+1 Capacity, Precision Crafted](https://gunsnation.com/p/rock-island-tac-ultra-fs-45-acp-pistol-8-1-capacity-precision-crafted/UD1MbypJnr) | .45 ACP | - |
| [Rock Island 1911 GI .45 ACP - Classic Power, Modern Precision](https://gunsnation.com/p/rock-island-1911-gi-45-acp-classic-power-modern-precision/UD1MbypJrH) | .45 ACP | - |
| [Rock Island Armory Rock Standard FS .45 ACP Pistol, Steel Frame](https://gunsnation.com/p/rock-island-armory-rock-standard-fs-45-acp-pistol-steel-frame/UD1MbypJhh) | .45 ACP | - |
| [Rock Island M1911-A1 FS .45 ACP Pistol - Precision & Power](https://gunsnation.com/p/rock-island-m1911-a1-fs-45-acp-pistol-precision-power/UD1MbypJrz) | .45 ACP | - |
| [Rock Island Heritage .45 ACP - Classic 1911 Performance Pistol](https://gunsnation.com/p/rock-island-heritage-45-acp-classic-1911-performance-pistol/UD1MbypJls) | .45 ACP | - |
| [Rock Island Armory Tac FS .45 ACP Pistol - Precision Black Finish](https://gunsnation.com/p/rock-island-armory-tac-fs-45-acp-pistol-precision-black-finish/UD1MbypJnk) | .45 ACP | - |
| [Rock Island 1911 FS .45 ACP Polished Nickel Semi-Auto Handgun](https://gunsnation.com/p/rock-island-1911-fs-45-acp-polished-nickel-semi-auto-handgun/UD1MbypJfU) | .45 ACP | - |
| [ARMSCOR M1911 A1 Tactical II .45 ACP Pistol Gen II - 5" Black Barrel](https://gunsnation.com/p/armscor-m1911-a1-tactical-ii-45-acp-pistol-gen-ii-5-black-barrel/UCEBnixTi) | .45 ACP | - |

*Showing 20 of 54 products*

## Related Tags

- [Concealed Carry](https://gunsnation.com/t/concealed-carry)
- [Home Defense](https://gunsnation.com/t/home-defense)
- [Tactical](https://gunsnation.com/t/tactical)
- [Hunting](https://gunsnation.com/t/hunting)
- [Optic-Ready](https://gunsnation.com/t/optic-ready)
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- [Match Pistols](https://gunsnation.com/t/match-pistols)

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*Data from [GunsNation](https://gunsnation.com)*